Premature babies sometimes suffer from infant r
x)(he9jysq* b06d :3kvix 8pegiy y.vespiratory distress syndrome, which could be caused by a lack of sufficient surfactant in
yy vdpv)j 6 e(s*xgb:3k hx98 0.iqiyethe pulmonary alveoli. The diagram below shows two different alveoli structures.
1.Describe one feature of the surfactant.
2.Suggest a treatment for infant respiratory distress syndrome.
3.Draw a labelled diagram of the structures in an alveolus that are important for gas exchange.